MC68040FE33A

Ethernet:	--
Base Part Number:	MC68040
Additional Interfaces:	SCI, SPI
Supplier Device Package:	184-CQFP (31x31)
Package / Case:	184-BCQFP
Security Features:	--
Operating Temperature:	0°C ~ 70°C (TA)
Voltage - I/O:	5.0V
USB:	--
SATA:	--
Series:	M680x0
Display & Interface Controllers:	--
Graphics Acceleration:	No
RAM Controllers:	--
Co-Processors/DSP:	--
Speed:	33MHz
Number of Cores/Bus Width:	1 Core, 32-Bit
Core Processor:	68040
Part Status:	Obsolete
Packaging:	Tray

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MC68040FE33A Application Field and Working Principle

The MC68040FE33A is a 32-bit microcontroller manufactured by Motorola and part of the Motorola 680x0 family of embedded microprocessors. It was introduced in 1994 and was primarily used in embedded systems and applications. The processor features an integrated floating-point unit (FPU) and 33 MIPS of operations per second.The MC68040FE33A is designed for 32-bit integer and floating-point operations and is optimized for embedded applications. It is used in embedded devices such as network routers, SOHO devices, industrial control systems, and in embedded controllers for automotive electronics and measurement and control systems. It is also used in a variety of systems such as banking terminals, automatic vending machines, industrial automation systems, medical devices, and robot control systems.The MC68040FE33A operates in three main modes, which are user, supervisor, and machine-level modes. The user mode is used for programs written in high-level languages and is designed to be used by an application-level program running on top of the MC68040FE33A. The supervisor mode is used for device drivers and embedded real-time operating systems, while the machine mode is used for low-level operating-system functions. The MC68040FE33A has a Von Neumann architecture, with instruction and data memory being stored together in the same memory space. Instruction and data transfers are handled by separate buses, allowing for faster instruction fetch and execution. The processor has an instruction cache, a translation lookaside buffer (TLB) to manage memory mapping from virtual to physical memory, and a bus interface unit (BIU) that manages the processor\'s access to the buses. The MC68040FE33A\'s internal interrupt controller (IIC) supports eight interrupts and seven external interrupts. The IIC can prioritize interrupts and is also capable of self-programming based on the interrupt sources. The MC68040FE33A has an integrated mathematical coprocessor that can be used in floating-point and integer arithmetic operations. The processor also features a flexible timer/counter system, UART, and a memory management unit (MMU). The MC68040FE33A has a 32-bit, three-stage pipeline, including instruction fetch, instruction decode, and execute, which is designed for high performance. The processor has a built-in shadow register set which can be used by an operating system for context switching between tasks. The MC68040FE33A also includes advanced debugging features such as a trace buffer and trace port, and integrated circuit emulation.In conclusion, the MC68040FE33A is an advanced 32-bit microcontroller optimized for embedded applications and used in a variety of systems such as network routers, industrial control systems, banking terminals, and more. The processor features integrated floating-point unit, 33 MIPS of operations per second, instruction and data memory sharing the same memory space, an instruction cache and translation lookaside buffer, an integrated math coprocessor, a timer/counter system, UART, and a memory management unit.

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